4-nitro-benzoic acid-(2-bromo-ethylamide)

trimethyl-[2-(4-nitro-benzoylmercapto)-ethyl]-ammonium, iodide

4-[(2-methylphenyl)azocarbonyl]nitrobenzene

2-(4-nitrobenzoyl)indazole

N-(4-nitrobenzoyl)-N'-β-D-glucopyranosylurea